Code P0342

CODY KIRCHOFF

MEMBER
2003 CHEVROLET SILVERADO
8.1L
V8
4WD
AUTOMATIC
280,000 MILES

I have replaced camshaft sensor. Crankshaft sensor. ECM replaced. Mass air sensor replaced. I'm getting the code still and now won't start at all.

Thursday, March 7th, 2019 AT 11:35 AM

3 Replies

SCGRANTURISMO

MECHANIC
4,897 POSTS

Hello,

This could be a problem with the wiring or the connector going to the Camshaft Position Sensor (CMP). I have included in the diagrams below a troubleshooting flowchart on how to track down your vehicle's problem from the manufacturer. Please go through it and get to us with what you find out.

Thanks,
Alex
2CarPros

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Thursday, March 7th, 2019 AT 1:47 PM

CODY KIRCHOFF

MEMBER
2 POSTS

How do you and how easy is it to replace the connector and wires?

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Friday, March 8th, 2019 AT 11:07 AM

SCGRANTURISMO

MECHANIC
4,897 POSTS

Hello again,

What you want to do is make sure that the wiring is away from your vehicle's ignition source. It should be shielded as well because it can pick up rf signals from the ignition coils as they collapse and falsely report this back to the Power-train Control Module (PCM) AKA, "computer".

Thanks,
Alex
2CarPros

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Friday, March 8th, 2019 AT 11:26 PM